go script to send events to rabbit mq

rabbit_mq_sender.go

package main

import (
	"fmt"
	"log"

	amqp "github.com/rabbitmq/amqp091-go"
)

func failOnError(err error, msg string) {
	if err != nil {
		log.Panicf("%s: %s", msg, err)
	}
}

func main() {
	conn, err := amqp.Dial("amqp://*********")
	failOnError(err, "Failed to connect to RabbitMQ")
	defer conn.Close()

	ch, err := conn.Channel()
	failOnError(err, "Failed to open a channel")
	defer ch.Close()

	failOnError(err, "Failed to declare a queue")

  body := `{
  'key':'value'
  }`
	for i := 0; i < 100; i++ {
		publishToAMQP(ch, body)
		fmt.Printf("publishing to amqp %d", (i + 1))
	}
	failOnError(err, "Failed to publish a message")
}

func publishToAMQP(ch *amqp.Channel, body string) {
	ch.Publish(
		"notifications_topic_staging", // exchange
		"promotion.#",                 // routing key
		false,                         // mandatory
		false,                         // immediate
		amqp.Publishing{
			ContentType: "text/plain",
			Body:        []byte(body),
		})
}